PARR SAMUEL W has a total of 12 patent applications. Its first patent ever was published in 1900. It filed its patents most often in United States and Canada. Its main competitors in its focus markets measurement, materials and metallurgy and engines, pumps and turbines are YAMAZAKI ISAO, H2SCAN CORP and THERMOQUEST ITALIA SPA.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 11 | |
#2 | Canada | 1 |
# | Industry | |
---|---|---|
#1 | Measurement | |
#2 | Materials and metallurgy | |
#3 | Engines, pumps and turbines | |
#4 | Machines |
# | Technology | |
---|---|---|
#1 | Analysing materials | |
#2 | Alloys | |
#3 | Unspecified technologies | |
#4 | Supplying combustion engines |
# | Name | Total Patents |
---|---|---|
#1 | Parr Samuel W | 12 |
#2 | Nelsen John H | 1 |
Publication | Filing date | Title |
---|---|---|
US1714318A | Internal-combustion engine | |
US1556953A | Alloy | |
US1247998A | Adiabatic calorimeter. | |
US1136361A | Combustion device. | |
US1136360A | Calorimeter. | |
US1136359A | Calorimetric apparatus. | |
US1115239A | Alloy. | |
US1115238A | Calorimeter. | |
CA133748A | Calorimeter | |
US947418A | Calorimeter. | |
US700555A | Process of determining the heating capacity of combustibles. | |
US673325A | Apparatus for determining heating capacity of combustibles. |